140024541 has 4 divisors (see below), whose sum is σ = 186699392. Its totient is φ = 93349692.

The previous prime is 140024519. The next prime is 140024611. The reversal of 140024541 is 145420041.

It is a happy number.

140024541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140024541 - 2⁶ = 140024477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140029541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23337421 + ... + 23337426.

It is an arithmetic number, because the mean of its divisors is an integer number (46674848).

Almost surely, 2^140024541 is an apocalyptic number.

It is an amenable number.

140024541 is a deficient number, since it is larger than the sum of its proper divisors (46674851).

140024541 is an equidigital number, since it uses as much as digits as its factorization.

140024541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46674850.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 140024541 is about 11833.1965672848. The cubic root of 140024541 is about 519.2797486500.

Adding to 140024541 its reverse (145420041), we get a palindrome (285444582).

The spelling of 140024541 in words is "one hundred forty million, twenty-four thousand, five hundred forty-one".